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https://issues.apache.org/jira/browse/LUCENE-647?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Busch closed LUCENE-647.
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Resolution: Duplicate
This is a dup of LUCENE-643.
> Error when tried to index with IndexWriter on Luncene 2.0
> ---------------------------------------------------------
>
> Key: LUCENE-647
> URL: https://issues.apache.org/jira/browse/LUCENE-647
> Project: Lucene - Java
> Issue Type: Bug
> Affects Versions: 2.0.0
> Environment: Windows 2000/ Jdk 1.4
> Reporter: sherin george
>
> Dear Sir,
> I am getting the following runtime exception when I tried to integrate Lucene
> 2.0 with my java application.
> 500 Internal Server Error
> java.lang.ExceptionInInitializerError: java.lang.NullPointerException
> at
> org.apache.lucene.analysis.standard.StandardAnalyzer.tokenStream(StandardAnalyzer.java:72)
> at
> org.apache.lucene.index.DocumentWriter.invertDocument(DocumentWriter.java:162)
> at org.apache.lucene.index.DocumentWriter.addDocument(DocumentWriter.java:93)
> at org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:476)
> at com.kms.utils.IndexFiles.addToIndex(IndexFiles.java:84)
> at
> com.kms.document.action.DocumentUploadSubmitAction.execute(DocumentUploadSubmitAction.java:180)
> at
> org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:484)
> at
> org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:274)
> at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482)
> at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:525)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
> at com.evermind[Oracle Application Server Containers for J2EE 10g
> (9.0.4.0.0)].server.http.ResourceFilterChain.doFilter(ResourceFilterChain.java:65)
> at oracle.security.jazn.oc4j.JAZNFilter.doFilter(Unknown Source)
> at com.evermind[Oracle Application Server Containers for J2EE 10g
> (9.0.4.0.0)].server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:604)
> at com.evermind[Oracle Application Server Containers for J2EE 10g
> (9.0.4.0.0)].server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:317)
> at com.evermind[Oracle Application Server Containers for J2EE 10g
> (9.0.4.0.0)].server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:790)
> at com.evermind[Oracle Application Server Containers for J2EE 10g
> (9.0.4.0.0)].server.http.HttpRequestHandler.run(HttpRequestHandler.java:270)
> at com.evermind[Oracle Application Server Containers for J2EE 10g
> (9.0.4.0.0)].server.http.HttpRequestHandler.run(HttpRequestHandler.java:112)
> at com.evermind[Oracle Application Server Containers for J2EE 10g
> (9.0.4.0.0)].util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:192)
> at java.lang.Thread.run(Thread.java:536)
> Caused by: java.lang.NullPointerException
> at
> org.apache.lucene.analysis.standard.StandardFilter.<clinit>(StandardFilter.java:32)
> ... 21 more
> I have identified that the exception occurs at execution of the following
> line of code which indexes a document.
> package com.kms.utils;
> import com.kms.parser.Parser;
> import com.kms.parser.ParserFactory;
> import com.kms.reuse.Constants;
> import org.apache.lucene.search.Hits;
> import org.apache.lucene.search.Query;
> import org.apache.lucene.queryParser.QueryParser;
> import org.apache.lucene.analysis.standard.StandardAnalyzer;
> import org.apache.lucene.document.Document;
> import org.apache.lucene.document.Field;
> import org.apache.lucene.index.IndexWriter;
> import org.apache.lucene.store.FSDirectory;
> import org.apache.lucene.search.IndexSearcher;
> import org.apache.lucene.analysis.Analyzer;
> import org.apache.lucene.store.Directory;
> import org.apache.lucene.demo.FileDocument;
> import java.io.*;
> public class IndexFiles
> {
> public static void addToIndex(String fileName)
> {
> try
> {
> Analyzer analyzer = new StandardAnalyzer();
> String filePath="D:\docs"; //Folder to files are save
> String filePathName=filePath+"/"+fileName;
> Directory directory = FSDirectory.getDirectory("D: \index",true); ";
> //Folder to which index files are saved
> Document doc = new Document();
> File file = new File(filePathName);
> Parser parser = ParserFactory.getParser(file);
> StringBuffer content = null;
> String name = "";
> String author = "";
> String sourceDate = "";
> String keywords = "";
> if (parser != null)
> {
> content = parser.getContent();
> name = parser.getTitle();
> author = parser.getAuthor();
> sourceDate = parser.getSourceDate();
> keywords = parser.getKeywords();
> }
> doc.add(new Field("path",filePathName,
> Field.Store.YES,Field.Index.TOKENIZED));
> doc.add(new Field("name",fileName,Field.Store.YES,Field.Index.TOKENIZED));
> doc.add(new
> Field("contents",content.toString(),Field.Store.YES,Field.Index.TOKENIZED));
> boolean flag=true;
> File indexFiles=new File("D: \index");
> String[] fileList=indexFiles.list();
> if(fileList.length>1)
> {
> flag=false;
> }
> else
> {
> flag=true;
> }
> IndexWriter iwriter = new IndexWriter(directory,analyzer,flag);
> iwriter.setMaxFieldLength(25000);
> iwriter.addDocument(doc,analyzer);
> iwriter.close();
> }
> catch(Exception e)
> {
> System.out.println(e);
> }
> }
> }
> I have checked all objects like directory,doc and analayzer for null
> conditions but they all have specific values. I have even tried to execute
> the sample code provided with the javadoc API documentation but in vain.
> Any kind of solutions (including pseudo codes) are welcome
> Thanks in advance,
> Sherin George
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